Teachers, save “Optional UOI: 10 Sticks” to assign it to your class.

10 Sticks. Gather 10 sticks from your home. With these build something. Then build something new. What can you make with only 10 sticks? How can you change you work adding 3 new stick? How can you change your work if you take away 3 sticks? 活动2: 10根棍子。从家里收集十根棍子。用这些棍子建造一些东西，然后再做出一些新的东西。只用十根棍子可以做出什么？如果再加三根棍子，你可以怎么改变你的作品？如果再取走三根，你可以怎么改变你的作品？